CN203493994U - Safety indwelling needle - Google Patents

Safety indwelling needle Download PDF

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Publication number
CN203493994U
CN203493994U CN201320477193.0U CN201320477193U CN203493994U CN 203493994 U CN203493994 U CN 203493994U CN 201320477193 U CN201320477193 U CN 201320477193U CN 203493994 U CN203493994 U CN 203493994U
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CN
China
Prior art keywords
main body
needle
safety indwelling
pin
coating member
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Expired - Lifetime
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CN201320477193.0U
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Chinese (zh)
Inventor
戴立刚
桥本和宏
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TAI'ERMAO MEDICAL PRODUCTS (HANGZHOU) CO Ltd
Terumo Corp
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TAI'ERMAO MEDICAL PRODUCTS (HANGZHOU) CO Ltd
Terumo Corp
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Priority to CN201320477193.0U priority Critical patent/CN203493994U/en
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Abstract

The utility model provides a safety indwelling needle, which comprises a catheter having a main catheter body and a catheter bush fixedly arranged at the basic end of the main catheter body, an inner needle having a main needle body and a needle bush fixedly arranged at the basic end of the main needle body, and a covering component. In the action state after the main needle body is taken from the main catheter body, the covering component covers the needle tip at the top end of the main needle body; in the initial state that the main needle body is inserted into the main catheter body, one part, starting from the top end side, of the covering component is contained inside the catheter bush, and the rest part of the covering component is contained in the needle bush. When the main needle body is pulled out of the catheter, the needle tip is guaranteed to be fully covered, so that the medical staff can not be stabbed by the needle tip, and blood can not spatter, in addition, the length of the safety indwelling needle can not be increased, and the usability of the indwelling needle is more excellent.

Description

Safety indwelling needle
Technical field
This utility model relates to a kind of safety indwelling needle.
Background technology
In technology in the past, for example, there is following a kind of remaining needle: comprise Needle sleeve, conduit and pin main body, one end of pin main body is fixedly mounted on Needle sleeve, and the other end is plugged in conduit.On this conduit, there is flexible pipe, use the hour hands main body human vas that can puncture, and guiding hose intravasation, afterwards the pin main body being finished is extracted out and discarded.When this remaining needle goes out of use, pin main body must be exposed, is discarding and is arranging in the process of exposed pin main body, and medical personnel are easily stabbed by exposed needle point, cause medical personnel to damage.
For this reason; another kind of safety IV wire guide has been proposed in patent documentation 1; when A-stage as shown in Figure 10 A (pin main body is inserted into the state of catheter main body); puncture vessel (vein); when catheter retaining is extracted to interior pin in blood vessel; as shown in Figure 10 B, the needle point of pin main body is by 120 protections of pin protector.
In patent documentation 2, proposed another kind of remaining needle, this remaining needle also has a flexible protector, and one end of this protector is arranged on Needle sleeve, and the other end is flexibly connected with conduit, after this protector stretches, can be coated the needle point of pin main body.
Patent documentation 1: Chinese invention patent 200410045892.3
Patent documentation 2: Chinese utility model patent 200420079989.1
But; in the safety IV wire guide of above-mentioned patent documentation 1, there is such problem; when needle point is protected by pin protector; due to the not coated needle point of protector; the blood being attached in pin main body can splash for four times; increase the pathophorous risk of medical staff infection haematogenous, and easily cause environmental pollution.
Although the protector of the remaining needle of above-mentioned patent documentation 2 can be coated needle point; but there is such problem; during the state of this remaining needle before using (A-stage); compare with remaining needle in the past; the total length of remaining needle increases; thereby can cause medical personnel when using this remaining needle to carry out vascular puncture, the ease for use of remaining needle or use feel variation.
Utility model content
This utility model in view of the above problems; object is to provide a kind of safety indwelling needle, when pin main body is extracted from conduit, can guarantee that needle point is completely covered protection; thereby when protection medical personnel are not stabbed by needle point, can prevent that the blood of being taken out of by needle point from splashing for four times.And, can not increase the length of this safety indwelling needle, the ease for use of safety indwelling needle is better.
The technical solution of the utility model 1 is that a kind of safety indwelling needle, has: conduit, and this conduit has catheter main body, and is fixed on the conduit lining on the cardinal extremity of this catheter main body; Interior pin, this interior needle set has pin main body, and is fixed on the Needle sleeve on the cardinal extremity of this pin main body; Coating member, during operating state in described pin main body from described catheter main body takes out, described coating member covers the needle point on the top of described pin main body, when described pin main body is inserted into the A-stage of described catheter main body, the part that described coating member starts from its tip side is accommodated in the inside of described conduit lining, and the remainder of described coating member is accommodated in described Needle sleeve.
The technical solution of the utility model 2 is that, according to the safety indwelling needle of technical scheme 1 record, described Needle sleeve has: cap portion, and when described A-stage, this cap portion engages with the base end part of described conduit lining; And incorporating section, when described A-stage, this incorporating section is used for taking in described remainder.
The technical solution of the utility model 3 is, the safety indwelling needle of recording according to technical scheme 1, when described A-stage, at length direction, the part of the 50-70% that described coating member starts from its tip side is accommodated in the inside of described conduit lining, and remainder is accommodated in described Needle sleeve.
The technical solution of the utility model 4 is, the safety indwelling needle of recording according to technical scheme 1, and when described A-stage, described coating member engages with described conduit lining, when described operating state, the releasing that engages of described coating member and described conduit lining.
The technical solution of the utility model 5 is that, according to the safety indwelling needle of technical scheme 4 records, described coating member has: housing; Pin path, this pin channel setting, in described housing, can be inserted logical described pin main body; Detent, this detent is positioned at the outside of described pin path when described A-stage, and when described operating state, is positioned at the inner side of described pin path.
The technical solution of the utility model 6 is, the safety indwelling needle of recording according to technical scheme 5, described detent and described housing are one-body molded, and when described A-stage, described detent is led to the described pin main body butt in described pin path with inserting, thereby the outside application of force to described pin path, when described operating state, when described pin main body is from described pin path is extracted, described detent is got back to the inner side of described pin path.
The technical solution of the utility model 7 is, the safety indwelling needle of recording according to technical scheme 5, and accessory, this accessory is arranged on the inner side of described conduit lining, and when described A-stage, described accessory engages with described detent.
The technical solution of the utility model 8 is, the safety indwelling needle of recording according to technical scheme 1, described pin main body has in its tip side the wide diameter portion that external diameter expands, described coating member has fastener, when described operating state, described fastener is stuck in described wide diameter portion, thereby limits the movement of described pin main body.
The technical solution of the utility model 9 is, the safety indwelling needle of recording according to technical scheme 8, and described housing is formed by resin material, and described fastener, is formed by metal material, and, described fastener and described housing split formation.
The technical solution of the utility model 10 is, the safety indwelling needle of recording according to technical scheme 8, and described pin main body has outer surface slot part, and when described A-stage, described outer surface slot part is for the blood flow between described pin main body and described catheter main body.
The technical solution of the utility model 11 is that, according to the safety indwelling needle of technical scheme 5 records, described coating member further has: hole enlargement chamber, and this hole enlargement chamber is arranged at described pin path midway; Open and close parts, it is indoor that it is contained in described hole enlargement, and opening and closing parts is to be branched into the shape of two, and when described A-stage, the end of two bifurcateds is close, and when described operating state, the end of two bifurcateds is opened.
The technical solution of the utility model 12 is, the safety indwelling needle of recording according to technical scheme 11, described switching parts are formed by metal material, and, when naturalness, described switching parts are V-shape roughly, when described A-stage, described switching parts contact with described pin main body, and described switching parts contact with the inwall of described wide diameter portion, when described operating state, described switching parts revert to roughly V-shape.
The technical solution of the utility model 13 is that, according to the safety indwelling needle of technical scheme 1 record, described conduit lining has: top ends, and this top ends is fixed described catheter main body; Base end part, this base end part is inserted with the tip side of described coating member; Branch port, this branch port is arranged between described top ends and described base end part, and this branch port is connected with pipe.
The technical solution of the utility model 14 is, the safety indwelling needle of recording according to technical scheme 13, further there is seal member, sealing parts are arranged on than the inside of the described conduit lining of the base end side of the more close described conduit lining of described branch port, and formed by elastomeric material, there is the gap of inserting logical described pin main body, when described operating state, suppress to spill liquid from the base end part of described conduit lining.
The technical solution of the utility model 15 is, the safety indwelling needle of recording according to technical scheme 14, further have support unit, this support unit is arranged at than the inside of the described conduit lining of the base end side of the more close described conduit lining of described seal member, limits the movement of described seal member.
The technical solution of the utility model 16 is, the safety indwelling needle of recording according to technical scheme 14, and described conduit lining has the end difference with the tip side butt of described seal member, and described seal member is held between described end difference and described support unit.
Because this utility model has adopted above-mentioned technical scheme, so can guarantee the capped parts of the pin of extracting from conduit takes in completely, thereby prevented the blood splashing of taking out of with needle point that exposes of needle point, improved safety, also can not increase the length of this remaining needle, the ease for use of remaining needle is better simultaneously.And this safety indwelling needle is simple in structure, easily manufactured.
Accompanying drawing explanation
Fig. 1 is safety indwelling needle of the present utility model axonometric chart during state in the early stage.
Fig. 2 is the axonometric chart of safety indwelling needle of the present utility model when operating state.
Fig. 3 is safety indwelling needle of the present utility model cross-sectional view during state in the early stage.
Fig. 4 is the schematic appearance of the coating member of safety indwelling needle of the present utility model.
Fig. 5 is the profile of the coating member of safety indwelling needle of the present utility model.
Fig. 6 is safety indwelling needle of the present utility model longitudinal section during state in the early stage.
Fig. 7 is safety indwelling needle of the present utility model longitudinal section in way from A-stage to actuator state.
Fig. 8 is safety indwelling needle of the present utility model cross-sectional view in way from A-stage to actuator state.
Fig. 9 is safety indwelling needle of the present utility model another cross-sectional view in way from A-stage to actuator state.
Figure 10 is the cross-sectional view of safety indwelling needle of the present utility model when actuator state.
Figure 11 is the schematic diagram of outer surface slot part of the pin main body of safety indwelling needle of the present utility model.
The specific embodiment
Referring to accompanying drawing, example of the present utility model is described.
Hereinafter, top all represents, as shown in Figure 3, and one end of more close needle point 311 sides of each parts; Cardinal extremity all represents, as shown in Figure 3, in the direction of extending along pin main body 31, the other end relative with top of each parts.
As Figure 1-3, safety indwelling needle 1, has: conduit 2, and this conduit 2 has catheter main body 21, and is fixed on the conduit lining 22 on the cardinal extremity of this catheter main body 21; Interior pin 3, this interior pin 3 has pin main body 31, and is fixed on the Needle sleeve 32 on the cardinal extremity of this pin main body 31; Coating member 4, during operating state in pin main body 31 from catheter main body 21 takes out, coating member 4 covers the needle point 311 on the top of pin main body 31, when pin main body 31 is inserted into the A-stage of catheter main body 21, the part that coating member 4 starts from its tip side is accommodated in the inside of conduit lining 22, and the remainder of coating member 4 is accommodated in Needle sleeve 32.In above-mentioned safety indwelling needle 1, can be for example, in the early stage during state, length direction (inserting the direction of cleansing pin main body 31 in coating member 4), the part of the 50-70% that coating member 4 starts from its tip side is accommodated in the inside of conduit lining 22, and remainder is accommodated in Needle sleeve 32.
Conduit lining 22 has: top ends 221, these top ends 221 A/C main bodys 21; Base end part 223, this base end part 223 is inserted with the tip side of coating member 4; Branch port 222, this branch port 222 is arranged between top ends 221 and base end part 223, and this branch port 222 is connected with pipe 5; Seal member 224, sealing parts 224 are arranged on than the inside of the conduit lining 22 of the base end side of the more close conduit lining 22 of branch port 222, and are formed by elastomeric material, have the gap of plug in cleansing pin main body 31, when operating state, suppress to spill liquid from the base end part 223 of conduit lining 22; Support unit 225, this support unit 225 is arranged at than the inside of the conduit lining 22 of the base end side of the more close conduit lining 22 of seal member 224, the movement of restriction seal member 224; End difference 226, the tip side butt of this end difference 226 and seal member 224, seal member 224 is held between end difference 226 and support unit 225.
In safety indwelling needle 1; also there is protective sleeve 6; when safety indwelling needle 1 is during in unused state; this protective sleeve 6 is the needle point 311 with the pin main body 31 that is inserted into catheter main body 21 and stretches out from the top of catheter main body 21 for the protection of catheter main body 21; the top ends 221 of the base end part of this protective sleeve 20 and conduit lining 22 can be for example; engage or screw, the coated needle point 311 of top ends and the catheter main body 21 of this protective sleeve 20.
In safety indwelling needle 1, Needle sleeve 32 has: cap portion 321, and during state, this cap portion 321 engages with the base end part 223 of conduit lining 22 in the early stage; And incorporating section 322, in the early stage during state, this incorporating section 322 is for taking in remainder (in the early stage during state, the remainder of the coating member 4 except being accommodated in a part of coating member 4 of inside of conduit lining 22).Needle sleeve 32 also has, grip part 323.
In safety indwelling needle 1, pin main body 31 has: outer surface slot part 312(is referring to Figure 11), during state, outer surface slot part 312 is for the blood flow between pin main body 31 and catheter main body 21 in the early stage.And pin main body 31 has in its tip side the wide diameter portion (not shown) that external diameter expands.Wide diameter portion, can be for example, when pin main body 31 being carried out to punch process formation outer surface slot part 312, making the part of the external diameter expansion of pin main body 31, wide diameter portion is positioned at a side of the cardinal extremity of more close pin main body than outer surface slot part 312.
In safety indwelling needle 1, coating member 4 has: housing 41; Pin path 42, this pin path 42 is arranged at housing 41, can plug in cleansing pin main body 31; Detent 43, this detent 43 is positioned at the outside of pin path 42 during state in the early stage, and when operating state, is positioned at the inner side of pin path 42; Fastener 44, when operating state, fastener 44 is stuck in wide diameter portion, thus the movement of restriction pin main body 31.Wherein, housing 41, for example, is formed by resin material; Fastener 44, for example, is formed by metal material, and fastener 44 forms with housing 41 splits.
In coating member 4, detent 43 is one-body molded with housing 41.And in the early stage during state, detent 43 is led to pin main body 31 butts in pin path 42 with inserting, thereby to the outside application of force of pin path 42.When operating state, when pin main body 31 is from pin path 42 is extracted, detent 43 is got back to the inner side of pin path 42.
Coating member 4 further has: hole enlargement chamber 45, and this hole enlargement chamber 45 is arranged at pin path 42 midway; Open and close parts 46, it is contained in hole enlargement chamber 45, and opening and closing parts 46 is to be branched into the shape of two, and during state, the end of two bifurcateds is close in the early stage, and when operating state, the end of two bifurcateds is opened.Open and close parts 46, be for example, by metal material, formed, and, when naturalness, open and close parts 46 for V-shape roughly, during state, open and close parts 46 and contact with pin main body 31 in the early stage, and switching parts 46 contact with the inwall of hole enlargement chamber 45, when operating state, open and close parts 46 and revert to roughly V-shape.
In safety indwelling needle 1, also there is accessory 227, this accessory 227 is arranged on the inner side of conduit lining 22, during state, accessory 227 engages with detent 43 in the early stage, and this accessory 227 is for being arranged on a groove on the inwall of conduit lining 22.
Below, the action to safety indwelling needle 1 under each state describes.
In safety indwelling needle 1, (between pin main body 31 and catheter main body 21, remain when the mutual alignment relation of safety indwelling needle 1 during in unused state) in the early stage during state, coating member 4 engages with conduit lining 22.When operating state, the releasing that engages of coating member 4 and conduit lining 22.
In the early stage during state, first, safety indwelling needle 1 is in unused state, as Fig. 3, shown in Fig. 6, the part that coating member 4 starts from its tip side is accommodated in conduit lining 22, and the top of coating member 4 is resisted against on the support unit 225 of inside of conduit lining 22, the remainder of coating member 4 is accommodated in the incorporating section 322 in Needle sleeve 32, and the cap portion 321 of Needle sleeve 32 engages with the base end part 223 of conduit lining 22.In the direction along pin path 42, each parts of housing 41 inside of coating member 4 putting in order as hole enlargement chamber 45, detent 43 and fastener 44(are referring to Fig. 4 from tip side to base end side, 5).Pin main body 31 is inserted in the pin path 42 of coating member 4, and pin main body 31 is inserted in catheter main body 21.Opening and closing parts 46 contacts with pin main body 31, and opening and closing parts 46 contacts with the inwall of hole enlargement chamber 45, the end of two bifurcateds of switching parts 46 is mutually close, thereby two bifurcateds are respectively to the inwall application of force of pin main body 31 and hole enlargement chamber 45, towards the pin path 42 of catheter main body 21 in open state.Detent 43 with insert the outside that leads to pin main body 31 butts in pin path 42 and rely on pin path 42, thus, detent 43 is kept out of the way into the accessory 227 that is arranged on conduit lining 22 inner sides, detent 43 engages with accessory 227, thereby in the early stage during state, coating member 4 is accommodated in conduit lining 22, and can not move with respect to conduit lining 22.
While bringing into use safety indwelling needle 1; take off protective sleeve 6; after confirming that the top of catheter main body 21 is punctured in vein (blood vessel); be hold by one hand the grip part 323 of Needle sleeve 32; another hands grips conduit lining 22; remove the engaging between Needle sleeve 32 and conduit lining 22, for example a kind of mode is for pushing ahead a little to remove engaging between the two by proficiency by conduit lining 22.
After the engaging of Needle sleeve 32 and conduit lining 22 is removed, pin main body 31 is drawn back (towards the direction of the base end side of coating member 4) along pin path 42, from catheter main body 21, extract.
When pin main body 31 is started to extract from catheter main body 21, from initial stage to operating state transition.
As Figure 7-9, pin main body 31 continues to retreat along pin path 42, when pin main body 31 is left behind hole enlargement chamber 45, open and close parts 46 and revert to roughly V-shape, only contact with the inwall of hole enlargement chamber 45, stopped up pin path 42, towards the pin path 42 of catheter main body 21, in closure state, pin main body 31 can not be returned to the pin path 42 of the tip side that is arranged in hole enlargement chamber 45 more simultaneously.Pin main body 31 is further drawn back, leave detent 43, the pushing force towards conduit lining 22 that pin main body 31 is applied in detent 43 is discharged, detent 43 is got back to the inner side of pin path 42, detent 43 is deviate from from accessory 227 thus, between detent 43 and accessory 227, engage releasing, thereby coating member 4 can move with respect to conduit lining 22.
After coating member 4 is removed with engaging of conduit lining 22, enter operating state.
As Fig. 2, shown in Figure 10, pin main body 31 continues to retreat, and when the wide diameter portion of pin main body 31 is fastened on after the fastener 44 of coating member 4, pin main body 31 cannot continue mobile with respect to coating member 4.Now, when pin main body 31 continues to retreat, coating member 4 will retreat thereupon together, and final, coating member 4 is completely separated with conduit lining 22.
Finally, when coating member 4 is from conduit lining 22 takes out, under the situation that can be wrapped by completely at needle point 311, abandon, can not expose 311 couples of medical personnel of needle point damages, blood on needle point 311 can not splash for four times yet, reduce medical personnel by the risk of blood infection disease, also do not pollute the environment.And, can not increase the length of this safety indwelling needle, the ease for use of remaining needle is better.This coating member 4 is simple in structure, is easy to produce.
Above, best example of the present utility model is illustrated, but this utility model is not limited to described example.About concrete structure, within not departing from the scope of aim of the present utility model, can suitably change.
For example, in the above-described embodiments, Needle sleeve has: cap portion, and during state, this cap portion engages with the base end part of described conduit lining in the early stage; And incorporating section, during state, this incorporating section is used for taking in described remainder in the early stage.But this utility model is not limited to this, for example, also can only have incorporating section, the top ends in incorporating section forms annular recess portion, at the base end side of conduit lining, form ring-shaped protrusion, by the mode such as chimeric of annular recess portion and ring-shaped protrusion, come connecting needle lining and conduit lining.
For example, in the above-described embodiments, be provided with accessory, this accessory is the groove being arranged on conduit lining inwall.But this utility model is not limited to this, for example, accessory can be also step or the hole arranging in conduit lining.

Claims (16)

1. a safety indwelling needle, has:
Conduit, this conduit has catheter main body, and is fixed on the conduit lining on the cardinal extremity of this catheter main body;
Interior pin, this interior needle set has pin main body, and is fixed on the Needle sleeve on the cardinal extremity of this pin main body;
Coating member, during operating state in described pin main body from described catheter main body takes out, described coating member covers the needle point on the top of described pin main body,
This safety indwelling needle is characterised in that,
When described pin main body is inserted into the A-stage of described catheter main body, the part that described coating member starts from its tip side is accommodated in the inside of described conduit lining, and the remainder of described coating member is accommodated in described Needle sleeve.
2. safety indwelling needle as claimed in claim 1, is characterized in that,
Described Needle sleeve has:
Cap portion, when described A-stage, this cap portion engages with the base end part of described conduit lining; And
Incorporating section, when described A-stage, this incorporating section is used for taking in described remainder.
3. safety indwelling needle as claimed in claim 1, is characterized in that,
When described A-stage, at length direction, the part of the 50-70% that described coating member starts from its tip side is accommodated in the inside of described conduit lining, and remainder is accommodated in described Needle sleeve.
4. safety indwelling needle as claimed in claim 1, is characterized in that,
When described A-stage, described coating member engages with described conduit lining,
When described operating state, the releasing that engages of described coating member and described conduit lining.
5. safety indwelling needle as claimed in claim 4, is characterized in that, described coating member has:
Housing;
Pin path, this pin channel setting, in described housing, can be inserted logical described pin main body;
Detent, this detent is positioned at the outside of described pin path when described A-stage, and when described operating state, is positioned at the inner side of described pin path.
6. safety indwelling needle as claimed in claim 5, is characterized in that,
Described detent and described housing are one-body molded, and,
When described A-stage, described detent is led to the described pin main body butt in described pin path with inserting, thereby to the outside application of force of described pin path,
When described operating state, when described pin main body is from described pin path is extracted, described detent is got back to the inner side of described pin path.
7. safety indwelling needle as claimed in claim 5, is characterized in that, further has:
Accessory, this accessory is arranged on the inner side of described conduit lining,
When described A-stage, described accessory engages with described detent.
8. safety indwelling needle as claimed in claim 1, is characterized in that,
Described pin main body has in its tip side the wide diameter portion that external diameter expands,
Described coating member has fastener, and when described operating state, described fastener is stuck in described wide diameter portion, thereby limits the movement of described pin main body.
9. safety indwelling needle as claimed in claim 8, is characterized in that,
Described housing is formed by resin material,
Described fastener, is formed by metal material, and described fastener and described housing split form.
10. safety indwelling needle as claimed in claim 8, is characterized in that,
Described pin main body has outer surface slot part, and when described A-stage, described outer surface slot part is for the blood flow between described pin main body and described catheter main body.
11. safety indwelling needles as claimed in claim 5, is characterized in that, described coating member further has:
Hole enlargement chamber, this hole enlargement chamber is arranged at described pin path midway;
Open and close parts, it is indoor that it is contained in described hole enlargement,
Opening and closing parts is to be branched into the shape of two, and when described A-stage, the end of two bifurcateds is close, and when described operating state, the end of two bifurcateds is opened.
12. safety indwelling needles as claimed in claim 11, is characterized in that,
Described switching parts are formed by metal material, and,
When naturalness, described switching parts are V-shape roughly,
When described A-stage, described switching parts contact with described pin main body, and described switching parts contact with the inwall of described hole enlargement chamber,
When described operating state, described switching parts revert to roughly V-shape.
13. safety indwelling needles as claimed in claim 1, is characterized in that,
Described conduit lining has:
Top ends, this top ends is fixed described catheter main body;
Base end part, this base end part is inserted with the tip side of described coating member;
Branch port, this branch port is arranged between described top ends and described base end part, and this branch port is connected with pipe.
14. safety indwelling needles as claimed in claim 13, is characterized in that,
Further there is seal member, sealing parts are arranged on than the inside of the described conduit lining of the base end side of the more close described conduit lining of described branch port, and formed by elastomeric material, there is the gap of inserting logical described pin main body, when described operating state, suppress to spill liquid from the base end part of described conduit lining.
15. safety indwelling needles as claimed in claim 14, is characterized in that,
Further have support unit, this support unit is arranged at than the inside of the described conduit lining of the base end side of the more close described conduit lining of described seal member, limits the movement of described seal member.
16. safety indwelling needles as claimed in claim 14, is characterized in that,
Described conduit lining has the end difference with the tip side butt of described seal member, and described seal member is held between described end difference and described support unit.
CN201320477193.0U 2013-08-06 2013-08-06 Safety indwelling needle Expired - Lifetime CN203493994U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108472443A (en) * 2015-12-28 2018-08-31 株式会社托普 Medical needle with protector
CN109069738A (en) * 2016-04-26 2018-12-21 株式会社托普 Medical needle with protector
CN110177590A (en) * 2017-12-19 2019-08-27 美德株式会社 Protective case and medical needle assemblies
US10780249B2 (en) 2014-04-18 2020-09-22 Becton, Dickinson And Company Needle capture safety interlock for catheter
US11511052B2 (en) 2014-11-10 2022-11-29 Becton, Dickinson And Company Safety IV catheter with V-clip interlock and needle tip capture

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10780249B2 (en) 2014-04-18 2020-09-22 Becton, Dickinson And Company Needle capture safety interlock for catheter
US11607530B2 (en) 2014-04-18 2023-03-21 Becton, Dickinson And Company Needle capture safety interlock for catheter
US11511052B2 (en) 2014-11-10 2022-11-29 Becton, Dickinson And Company Safety IV catheter with V-clip interlock and needle tip capture
CN108472443A (en) * 2015-12-28 2018-08-31 株式会社托普 Medical needle with protector
CN109069738A (en) * 2016-04-26 2018-12-21 株式会社托普 Medical needle with protector
CN109069738B (en) * 2016-04-26 2021-08-17 株式会社托普 Medical needle with protector
CN110177590A (en) * 2017-12-19 2019-08-27 美德株式会社 Protective case and medical needle assemblies
CN110177590B (en) * 2017-12-19 2020-08-28 美德株式会社 Protective sheath and medical needle assembly
US11000650B2 (en) 2017-12-19 2021-05-11 Medikit Co., Ltd. Protector and medical needle assembly

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Granted publication date: 20140326